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Find Max Sum with Same First and Last Digit

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Problem statement

Given an array with integers, find the maximum sum of any 2 numbers whose first and last digits match.

E.g - [ 2, 36, 45, 306, 415] -> 36 + 306 < 45 + 415

Ans - 460

Function

findMaxSumWithSameFirstAndLastDigit(nums: int[]) → int

Examples

Example 1

nums = [2, 36, 45, 306, 415]return = 460

The maximum sum of any 2 numbers whose first and last digits match is obtained by adding 45 and 415, which gives us 460.

Problem statement

Function

Examples

Example 1

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